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어머니의 정서표현성, 유아의 자기조절능력 및 스마트기기 과의존 경향성의 구조적 관계
최아라(Ara Choi),조윤미(Yoon-mi Cho),류현강(Hyun-kang Ryu) 한국아동학회 2022 아동학회지 Vol.43 No.2
Objectives: This study analyzed the relationship between mothers’ emotional expressiveness, young children’s self-regulation ability, and smart device overdependence tendency. In addition, it examined the direct and indirect effects of mothers’ emotional expressiveness and young children’s self-regulation ability on the smart devices overdependence tendency through structural model analysis. Methods: Participants in this study consisted of 225 young children and their mothers living in G city. Data were analyzed using SPSS ver. 18.0 and AMOS ver. 18.0 to carry out descriptive statistics, correlation analysis, and the structural equation model. Results: The findings reveal that self-regulation ability negatively correlates with smart devices overdependence tendency. Moreover, the mother’s positive and negative emotional expressiveness indirectly affected the young children’s smart devices overdependence tendency through self-regulation. In other words, it was found that the mother’s emotional expressiveness completely mediates the young children’s self-regulation ability and indirectly affects the smart device overdependence tendency. Conclusion: The significance of this study is that it revealed risk and protective factors that affect young children’s smart device overdependence in a social situation where the problem of young children’s smart device overdependence has become more serious. Essentially, the findings can be utilized to develop a smart device overdependence prevention program for young children.
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청소년의 올바른 항생제 사용을 위한 웹 기반 교육프로그램 개발 및 평가
김소선(Kim, So-Sun),천주영(Cheon, Joo Young),권인숙(Kwon, In Sook),조윤미(Cho, Yoon Mi),문성미(Moon, Seongmi) 기본간호학회 2011 기본간호학회지 Vol.18 No.3
Purpose: This study was done to develop a web-based education program on appropriate antibiotic use and test the effects of the program on knowledge and attitudes towards antibiotic use in Korean adolescents. Methods: The web-based education program was developed through an extensive literature review and professional advisory meetings including technical assistance from a web-based education programmer and content experts. A convenience sample of 851 students from middle and high schools participated in the assessment of effects of the program. Knowledge and attitudes of the students towards antibiotic use and satisfaction with the web-based education program were measured. Descriptive statistics and paired t-test were used to analyze the data. Results: There were significant improvements in knowledge and attitudes towards antibiotic use following self-learning via the web-based education program in both middle and high school students. High school students demonstrated higher scores in knowledge and attitudes than middle school students. Conclusion: The results of this study indicate that this web-based education program on appropriate antibiotic use is a convenient and effective medium for self-learning in adolescents. Therefore the web-based program should be put into wide use as an effective and convenient teaching method for health education in secondary schools.
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연구논문 : 서울지역 여성소비자의 1회 제공량 기준 영양표시의 이용실태
신두지 ( Doo Jee Shin ),정경완 ( Kyoung Wan Jung ),이귀주 ( Gui Chu Lee ),권광일 ( Kwang Il Kwon ),김지영 ( Jee Young Kim ),김종욱 ( John Wook Kim ),문귀임 ( Gui Im Moon ),박혜경 ( Hye Kyung Park ),조윤미 ( Yoon Mi Cho ),김유경 ( 한국식생활문화학회 2010 韓國食生活文化學會誌 Vol.25 No.6
This study examined the understanding and use of information on nutrition labels based on one serving size among female consumers above the age of 20 in Seoul area. According to the survey, 69.9% of respondents were aware of the current system of nutrition labeling based on one serving size, and 51.8% of the respondents expressed their dissatisfaction with the system because the nutrition labels were difficult to understand or appeared unreliable. The nutrition label literacy of the consumers varied with respect to different packaging units. The respondents were likely to be less accurate in calculating the expected caloric intake when only portions of a multi-serving package were used. Initially 69.0% of respondents reported that they had read the nutrition label before purchasing a product but 91.9% of respondents said that they would check the label after learning how to read the label properly. It is very important to make consumers aware that the labels are very reliable sources of nutrition information. A public education campaign on the use of nutrition labels should focus on developing the consumers` ability and skills in using the label information when choosing foods.
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한국증권시장의 효율성에 관한 연구 : 내부자거래를 중심으로
조윤미,권영준 경희대학교 기업경영연구소 2005 기업경영연구 Vol.11 No.1
본 연구에서는 2000년부터 2004년까지 증권거래소와 코스닥 증권시장에 상장·등록된 기업에 대한 내부자거래의 초과수익성과 내부자거래정보가 공시된 이후 이를 모방거래한 일반투자자의 츠과수익성을 시장에 따라 비교·분석함으로써 국내증권시장의 효율성을 평가해보았다. 실증분석 결과, 국내증권시장에서 내부자와 일반투자자 모두 유의한 초과수익을 얻었으며 일반투자자보다 내부자들의 초과수익이 더 큰 것으로 보아 내부자의 정보력이 더 우월함을 확인하였다. 시장별로 분석해 본 결과 매수거래의 경우 증권거래소에서 매도거래의 경우 코스닥에서 투자자들이 더 큰 초과 수익을 얻는 것으로 나타났다. 또한 매수거래보다 매도거래의 경우 투자자들이 얻는 초과수익이 더 큰 것으로 나타났는데 이는 두 시장의 매각제한 (lockup)기간의 차이 때문인 것으로 보인다. 투자자의 초과수익에 영향을 미칠 수 있는 다른 변수들을 고려해 본 결과 역시 두 시장별로 초과수익에 차이가 있었고, 이 외에 매수거래시 지분율이 높을수록, 지분변동율이 높을수록 초과수익이 발견되었고, 매도거래시에는 거래주식수가 클수록 초과수익이 발견되었다. 내부정보를 이용한 내부자거래와 이를 모방거래한 일반투자자들이 초과수익을 얻는 것으로 보아 아직은 국내증권시장이 효율적이라고 말할 수 없다. 따라서 효율적 증권시장으로 거듭나기 위해 관련 제도 및 법규에 대한 이해와 법적 규제의 강화가 필요할 것으로 보인다. This paper examines the impacts of insider trading activities and outsider trading activities on the stock prices using insider trading information of companies at the KBE and KOSDAQ during the 2000-2004. Looking into the results of this empirical research, there exist significant abnormal returns which is associated with trading by corporate insiders and outsiders who use insider trading information. Since the abnormal return which is earned by insiders is bigger than that earned by outsiders, the quality of the information of insiders turns out to be superior to hat of outsiders. According to the type of markets, the abnormal returns earned by purchases are larger at the KBE, but the abnormal returns earned by sales are larger at the KOSDAQ. Also we find that the abnormal returns related to sales are much larger than those related to purchases. This result is thought to be caused by the institutional differences such as the lockup periods between two markets. Our analysis shows that the security markets in Korea cannot be said to be efficient. The more efficient infrastructure such as the financial supervisory system is needed.
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